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勾股定理证明
Author:
万超杰
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
畫出對稱圖形
【案例】圆柱体内放置一个大球六个小球
判斷球體
兩組對邊相等和有直角的四邊形
Discover Resources
a slope triangle
旋轉+伸縮正多邊形
双动点变速运动
正多边形构造
三角函数求值 （单位圆、比值）
Discover Topics
Logic
Division
Complex Numbers
LCM and GCD
Means